Hermbstadt

Reprint No. 3. H. Cavendish, "Experiments on Air, ref. (9), pp. 26-7, C W. Scheele, Sammtliche physische und chemische Werke, translated into German by Hermbstadt, Vol. 1, zweite unveranderte Auflage, Mayer and Muller, Berlin, 1891, pp. 186-7. 

German by Hermbstadt, zweite unverjinderte Auflage, Vol. 2, Mayer and Muller, Berlin, 1793, pp. 291-302. 

Bromine from Sea Water. Balard recognized in 1826 that bromine is present in low concentration in sea water. Professor Gmelin of Tubingen detected it in water from the Dead Sea, a discovery which was promptly confirmed by S. F. Hermbstadt of Berlin (149). In 1934 the Dow Chemical Company successfully extracted bromine commercially from raw ocean water at Kure Beach, North Carolina (150). 

Hermbstadt, S. F., Ueber das Brom im Wasser des todten Meeres, ... 

Bibliothek der neuesten physische chemischen Literatur Continued as Berlin 1788-95 4 Hermbstadt... 

On the emergence of the subdiscipline of analytic chemistry, see Homburg [1999b]. For life and work of Hermbstadt, see Gillispie [1970-1980] vol. XV p. 205ff. For biographical information on Stromeyer, see Kopp [1966] vol. IV p. 124. 

Hermbstadt uses Stoff (such as Gummistoff) or principle (such as principium gummosum) throughout. Figure 14.3 Classification of proximate principles of plants c. 1800. 

Another example is the distinction between volatile oils and resins. Were the properties shared by volatile oils and resins—the fact that both were aromatic and dissolvable in spirit of wine, but not dissolvable in water—more significant than the fact that the former were liquid whereas the latter were solid Hence, were volatile oils and resins to be grouped together, or were they different species of substances As we can see from figure 14.3, Fourcroy, Thomson, Hermbstadt, Stromeyer, and Berzelius all agreed that volatile oils and resins were indeed different species of plant substances. In this case it seems that the difference in consistency played a crucial... 

Hermbstadt, Sigismund Friedrich. IWl. Anleitung zur Zergliederung der Vegetabilien. Berlin Ferdinand Oehmigke. 

Scheele (see p. 233) had previously said that this converts it into acetic acid. Crell thought he had shown that tartaric, oxalic, and acetic acids are all modifications of the same acid Hermbstadt thought that other vegetable acids could be converted into acetic acid, and Bouillon Lagrange at first adopted these views (see p. 108). 

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